Quotes About Logic

Logic is invincible, because in order to combat logic it is necessary to use logic.

All logic texts are divided into two parts. In the first part, on deductible logic, the fallacies are explained; in the second part, on inductive logic, they are committed.

In this world are very few things made from logic alone. It is illogical for man to be too logical. Some things we must just let stand. The mystery is more important than any possible explanation. The searcher after truth must search with humanity. Ruthless logic is the sign of a limited mind. The truth can only add to the sum of what you know, while a harmless mystery left unexplored often adds to the meaning of life. When a truth is not so important, it is better left as a mystery.

I think everyone must love life more than anything else in the world.' 'Love life more than the meaning of it?' 'Yes, certainly. Love it regardless of logic, as you say. Yes, most certainly regardless of logic, for only then will I grasp its meaning. That's what I've been vaguely aware of for a long time. Half your work is done, Ivan: you love life. Now you must try to do the second half and you are saved.

You are a white. The Imperial Wizard. Now, if you don't think this is logic you can burn me on the fiery cross. This is the logic: You have the choice of spending fifteen years married to a woman, a black woman or a white woman. Fifteen years kissing and hugging and sleeping real close on hot nights. With a black, black woman or a white, white woman. The white woman is Kate Smith. And the black woman is Lena Horne. So you're not concerned with black or white anymore, are you? You are concerned with how cute or how pretty. Then let's really get basic and persecute ugly people!

The professor husband of a friend of mine has likened children to the insane. I often think of it. He says that children live on the edge of madness, that their behavior, apparently unmotivated, shares the same dream logic as crazy people's. I see what he means, and because I've learned to be patient with children, to tease out the logic that's always somewhere there, and irrefutable once explained.

Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.

Logic is justly considered the basis of all other sciences, even if only for the reason that in every argument we employ concepts taken from the field of logic, and that ever correct inference proceeds in accordance with its laws.

If someone doesn’t value evidence, what evidence are you going to provide that proves they should value evidence. If someone doesn’t value logic, what logical argument would you invoke to prove they should value logic?

Nature cares nothing for logic, our human logic: she has her own, which we do not recognize and do not acknowledge until we are crushed under its wheel

What sets imperialism of the capitalist sort apart from other conceptions of empire is that it is the capitalist logic that typically dominates, though ... there are times in which the territorial logic comes to the fore. But this then poses a crucial question: how can the territorial logics of power, which tend to be awkwardly fixed in space, respond to the open spatial dynamics of endless capital accumulation? And what does endless capital accumulation imply for the territorial logics of power?

The fact that all Mathematics is Symbolic Logic is one of the greatest discoveries of our age; and when this fact has been established, the remainder of the principles of mathematics consists of the analysis of Symbolic Logic itself.

The metaphoric mind includes rationality, linearity, and logic - for it created them. But like some children, the rational mind often seems embarrassed by the presence of its parents.

Mathematics expresses values that reflect the cosmos, including orderliness, balance, harmony, logic, and abstract beauty.

This guy from L.A. sits down next to me, and he says "you like baseball?" I said, "Oh, man, I love baseball." So he goes "Did you know that if Jesus had played ball, he'd have been the greatest ball player ever?" Like I'm gonna argue with that logic. So I sat there for a second, and then I said "did you know that if Babe Ruth had been the Messiah, the Catholics would have beer and hot dogs at Communion?" He left.

I laugh, mirthless, a mad laugh. I savor the scowl on her face, the hate in her eyes. She was like a machine; she was cold and emotionless, bound by logic alone. And I broke her.

Hope is independent of the apparatus of logic.

Graphology is another in a long list of quack substitutes for hard work. It is appealing to those who are impatient with such troublesome matters as research, evidence analysis, reasoning, logic, and hypothesis testing.

I'm pure geek, pure logic.

The theoretician believes in logic and believes that he despises dreams, intuition, and poetry. He does not recognize that these three fairies have only disguised themselves in order to dazzle him.... He does not know that he owes his greatest discoveries to them.

Murder is a horror, but an often necessary horror, never criminal, which it is essential to tolerate in a republican State. Is it or is it not a crime? If it is not, why make laws for its punishment? And if it is, by what barbarous logic do you, to punish it, duplicate it by another crime?

The best defense against logic is ignorance.

The individual's life is of importance to none besides himself: the point is whether he wishes to escape from history or give his life for it. History recks nothing of human logic

But you see, our society is still trapped in this binary, black/white logic and that has had some very positive implications for our generation. It's had some very negative ones as well and one of the negative ones is that it creates enormous identity problems for people who have one black ancestor and all white ancestors for example.

Developing a compiler was a logical move; but in matters like this, you don't run against logic - you run against people who can't change their minds.

Stop making sense. Logic is predictable. Think differently.

Nothing is impossible when we follow our inner guidance, even when its direction may threaten us by reversing our usual logic.

Poets often describe love as an emotion that we can't control, one that overwhelms logic and common sense. That's what it was like for me. I didn't plan on falling in love with you, and I doubt if you planned on falling in love with me. But once we met, it was clear that neither of us could control what was happening to us. We fell in love, despite our differences, and once we did, something rare and beautiful was created. For me, love like that has happened only once, and that's why every minute we spent together has been seared in my memory. I'll never forget a single moment of it.

A nervous excitability, a chronic exaltation of the passion, in which commingle the inferior life of the individual and its exterior manifestations, a state in which sentiment, idea, and will are confounded together, where for the lack of the powerful corrective of logic, the flights of imagination know no bounds, where life and human activity are deprived of a regulator, and move outside of material and concrete factors, by the sole interior force of the soul.

Forever I shall be a stranger to myself. In psychology as in logic, there are truths but no truth.

The laws against public nudity make no sense. The idea that Jerry Falwell can go topless while Cindy Crawford cannot is an absolute affront to logic, common sense and the 5000 year human struggle for aesthetic taste.

There is science, logic, reason; there is thought verified by experience. And then there is California.

Writing is more than just the making of a series of comprehensible statements: it is the gathering in of connotations; the harvesting of them, like blackberries in a good season, ripe and heavy, snatched from among the thorns of logic.

You can define a net two ways, depending on your point of view. Normally you would say it is a meshed instrument designed to catch fish. But you could, with no great injury to logic, reverse the image and define the net as a jocular lexicographer once did: he called it a collection of holes tied together with string.

Man associates ideas not according to logic or verifiable exactitude, but according to his pleasure and interests. It is for this reason that most truths are nothing but prejudices.

Language is a form of human reason, which has its internal logic of which man knows nothing.

Any useful logic must concern itself with Ideas with a fringe of vagueness and a Truth that is a matter of degree.

Relationships are treated like Dixie cups. They are the same. They are disposable. If it does not work, drop it, throw it away, get another. Committed bonds (including marriage) cannot last when this is the prevailing logic. Most of us are unclear about what to do to protect and strengthen caring bonds when our self-centered needs are not being met.

We've got to be able to break through the barrier of logic

I still partially suffer from the delusion that if you explain things logically and systematically, most people will abandon their emotional prejudices and respond to logic. But I don't suffer from that delusion as wholeheartedly as I did in the past. So if there's a fundamental difference, it's that I've accepted the fact that most imbeciles will never 'get' me and I shouldn't allow myself to get so upset about it.

The example of a syllogism that he had studied in Kiesewetter's logic: Caius is a man, men are mortal, therefore Caius is mortal, had throughout his whole life seemed to him right only in relation to Caius, but not to him at all.

The heart is a strange beast and not ruled by logic.

No. The moral of the story in so far as it has one is that cannibals can study logic, and that if you are going to leave the path, you better have your wits about you and know better than to trust the first scary old lady who talks to you in public.

You can access that on many levels and the human spirit and the human mind responds to those themes because they recognise the veracity of them. That they are real things. Sometimes it even goes beyond logic, it's just a sense of something.

It is a simple logic truth that, short of mass emigration into space, with rockets taking off at the rate of several million per second, uncontrolled birth-rates are bound to lead to horribly increased death –rates. It is hard to believe that this simple truth is not understood by those leaders who forbid their followers to use effective contraceptive methods. They express a preference for ‘natural’ methods of population limitation, and a natural method is exactly what they are going to get. It is called starvation.

Man has been condemning women. Perhaps there is a reason; perhaps he was aware of some superiority in woman - the superiority of love. No logic can be higher than love, and no mind can be higher than the heart. But the mind can be very murderous; the mind can be very violent, and that's what the mind has done for centuries. Man has been beating women, repressing women, condemning women.

I tended to be more a romantic than a realist, and chose blind faith over cold logic.

The fact that logic cannot satisfy us awakens an almost insatiable hunger for the irrational.